Dr. Tessnow was raised in Bedford, TX, attended the University of Dallas, and graduated from UT Southwestern Medical School in 1996. He completed his residency in Internal Medicine at the University of Utah. After practicing Internal Medicine in Salt Lake City for 8 years, he returned to UT Southwestern for his fellowship training in Endocrinology.

His main clinical and academic interests relate to the treatment of thyroid disorders, thyroid nodules and thyroid cancer.

Dr. Tessnow was included in D Magazine's Best Doctors list for 2018 and 2020.

Education & Training
  • Residency - University of Utah Healthcare - Salt Lake City (1996-1999), Internal Medicine
  • Medical School - UT Southwestern Medical School (1992-1996)
  • Fellowship - UT Southwestern Medical School (2007-2009), Endocrinology & Metabolism
Professional Associations & Affiliations
  • American Association of Clinical Endocrinologists, Member TX Board of Directors
  • The Endocrine Society
  • American Thyroid Association (2011-2013), member
Honors & Awards
  • D Magazine Best Doctor, (2018, 2020)
  • Daniel W. Foster Clinical Teaching Award 2013, UT Southwestern Endocrinology Fellowship teaching award
  • North Central Texas Clinical and Translational Science Initiative Pilot 2008
  • The Departmental Award in Chemistry 1992, University of Dallas
  • Cardinal Spellman Award for Academic Achievement 1992
Books & Publications

Clinical Focus

  • Parathyroid & Thyroid Conditions

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Internal Medicine Subspecialties Clinic

at West Campus Building 3 2001 Inwood Road, 8th and 9th Floor
Dallas, Texas 75390
214-645-2800 Directions Parking Info